Google recently began a trial to incorporate Gmail into search results, it is only an opt-in service but will link your search to emails in your inbox.
If you searched for Amazon Kindle, for example, and you had received an order confirmation for a Kindle, the information about it might show up in the side bar.
You might be wondering what use this would be to anyone. Imagine if you had searched for something such as “Train Times” and you have an email with a ticket purchase in your inbox, the search results will provide information about your upcoming train, including times and news of any delays. Continue Reading